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Recombinant Human FSTL1 Protein (Active)
SKU: PKSH032454-50
Recombinant Human FSTL1 Protein (Active)
| SKU # | PKSH032454 |
| Expression Host | E.coli |
Description
| Synonyms | FRP, FSTL1, Follistatin-Like Protein 1, Follistatin-Related Protein 1 |
| Species | Human |
| Expression Host | E.coli |
| Sequence | Glu21-Ile308 |
| Accession | Q12841 |
| Calculated Molecular Weight | 33.0 kDa |
| Observed Molecular Weight | 33 kDa |
| Tag | None |
| Bio-activity | Not validated for activity |
Properties
| Purity | > 95 % as determined by reducing SDS-PAGE. |
| Endotoxin | < 1.0 EU per μg of the protein as determined by the LAL method. |
| Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
| Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
| Formulation | Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4. Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| Reconstitution | Please refer to the printed manual for detailed information. |
Background
Follistatin-Related Protein 1 (FSTL1) is a secreted protein that contains two EF-hand domains; one follistatin-like domain; one Kazal-like domain; and one VWFC domain. Its functional significance in physiological and pathological processes is not completely understood. However; FSTL1 is thought to modulate the action of some growth factors on cell proliferation and differentiation. FSTL1 maybe an autoantigen associated with rheumatoid arthritis.